MCIF_CVT8TO7
mci->mci_flags &= ~(MCIF_CVT7TO8|MCIF_CVT8TO7);
mci->mci_flags |= MCIF_CVT8TO7;
if (bitset(MCIF_CVT8TO7, mci->mci_flags))
mcibuf.mci_flags &= ~(MCIF_CVT7TO8|MCIF_CVT8TO7);
mcibuf.mci_flags |= MCIF_CVT8TO7;
bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME,
!bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME, mci->mci_flags) &&
{ MCIF_CVT8TO7, "CVT8TO7" },
bitset(MCIF_CVT8TO7|MCIF_CVT7TO8|MCIF_INMIME,
mci->mci_flags |= MCIF_CVT8TO7;